However, because oral medications must pass through the digestive system, to have the same efficacy as IV medications oral antibiotics must have high âbioavailabilityâ â the percentage of the drug that reaches the blood. Drugs administered via PICC lines have, by definition, 100 percent bioavailability.
A: Bactrim is a type of antibiotic used to treat a range of bacterial infections in the body according to WebMD. Physicians prescribe Bactrim to treat certain types of sexually transmitted diseases, urinary tract infections, respiratory illnesses, and various other infections.
Bactrim DS is an antibitoic often perscribed for intense bacteria infections and is double the strength of Bactrim. It is effective against bacteria that have a knack for developing the ability to resist other antibiotics (i.e. MRSA). You doc may have thought you could have MRSA. You could have a nasel swab to test for MRSA or the boil secretions to be sure, but think this is a good option if the doctor thinks your infection is intense enough. The opinions expressed here are solely those of the User.